So, this is a multi-part question I suppose!

I've had a MIM Fender Jazz for.. about two years now. It's a special/limited edition etc. blah blah, plays really nice and doesn't look too bad IMO (http://i302.photobucket.com/albums/nn81/noahjon/1001081f_se_jazz_mz7129998_lg1.jpg)

However, I'm thinking that it could sound better than it does now through a variety of different methods.

Right now I'm playing with an Ampeg B3 (150 W I believe, http://www.basmarkt.nl/photos/200812051812ampeg%20b3%20combo.jpg). It has a 9 band EQ along with a simpler 3 band knob selection, drive and gain etc.

The type of tone or the quality within a tone that interests me is sort of common to a few songs. Tightrope by Stevie Ray Vaughan (http://www.youtube.com/watch?v=hUVjdoGoskk), Wonderful Slippery Thing by Guthrie Govan (http://www.youtube.com/watch?v=Pw3wk4sqzl4), and Are You In? by Incubus (http://www.youtube.com/watch?v=CHG6maTHGLE). It's kind of like.. a spongy, percolating.. liquid sound that I can't seem to find. I've tried, I've come close, but not quite. Some of it may come down to their rigs (I'm not about to go and try and model mine after Dirk Lance's )

I'm wondering if somebody with some EQ and Jazz pickup knowledge could suggest anything helpful.

Also, maybe a pickup change would be beneficial? I've always considered swapping out the stock bridge and pickups for something like a Gotoh or BAII and some DiMarzios. Just, the other option is cheaper
Quote by FbSa
Back in the 70's I decided to take all the frets off Jaco's Bass thinking he would play worse. Man did that backfire.

[quote="'[x"]Huffy[x]']FUCK YES.

a louder amp is a good idea.

a big tube amp, like a Mesa 400+ or an Ampeg SVT will be a lot better than a small, poorly built SS amp.

Nordstrand, after you do that.
Quote by FatalGear41
I wouldn't call what we have here on the Bass Forum a mentality. It's more like the sharing part of an AA meeting.

Quote by Jason Jillard

Warwick Fortress>>Acoustic AB50

Put in some bartolini pups, upgrade your amp, and youll be pretty close i think.
I think the best upgrade in tone you'll get is with your amp.
Amp amp amp amp. I sort of disagree with going for a tube amp, but that's all just personal really. You may want to look at upgrading the bridge. Having owned about a half dozen Jazz basses throughout the years, the biggest and best upgrade to the tone of the actual instrument has been installing a higher density bridge than the Fender stock one. More sustain, more tonal constancy, more butter.
Amp. Period.
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Orange Bass Terror 500
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Boss GT-6 Bass Multi-effects